Biology,
Journal Year:
2022,
Volume and Issue:
11(8), P. 1104 - 1104
Published: July 25, 2022
In
this
paper,
the
history
of
paleontology
in
China
from
1920
to
2020
is
divided
into
three
major
stages,
i.e.,
1920-1949,
1949-1978,
and
1979-2020.
As
one
first
scientific
disciplines
have
earned
international
fame
China,
development
Chinese
benefitted
collaborations
China's
rich
resources.
Since
1978,
socio-economic
its
open-door
policy
outside
world
also
played
a
key
role
growth
paleontology.
21st
century,
thanks
constant
funding
government
rise
younger
generation
paleontologists,
expected
make
even
more
contributions
integration
with
both
biological
geological
research
projects
by
taking
advantage
new
technologies
paleontological
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(8)
Published: Feb. 12, 2024
As
a
fundamental
ecological
aspect
of
most
organisms,
locomotor
function
significantly
constrains
morphology.
At
the
same
time,
evolution
novel
abilities
has
produced
dramatic
morphological
transformations,
initiating
some
significant
diversifications
in
life
history.
Despite
new
fossil
evidence,
it
remains
unclear
whether
volant
locomotion
had
single
or
multiple
origins
pennaraptoran
dinosaurs
and
individual
taxa
are
controversial.
The
powered
flight
modern
birds
involved
exaptation
feathered
surfaces
extending
off
limbs
tail
yet
studies
concerning
potential
pennaraptorans
do
not
account
for
structure
morphology
wing
feathers
themselves.
Analysis
number
shape
remex
rectrix
across
large
dataset
extant
indicates
that
remiges
rectrices
degree
primary
vane
asymmetry
strongly
correlate
with
ability
revealing
important
functional
constraints.
Among
these
traits,
phenotypic
flexibility
varies
reflected
by
different
rates
at
which
changes
evolve,
such
traits
reflect
ancestral
condition,
whereas
others
current
function.
While
Mesozoic
Microraptor
have
morphologies
consistent
birds,
anchiornithines
deviate
providing
strong
evidence
this
clade
was
volant.
results
analyses
support
origin
dinosaurian
indicate
early
stages
sampled
currently
available
record.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
380(1920)
Published: Feb. 27, 2025
Modern
birds
(Neornithes)
are
the
mostly
highly
modified
group
of
amniotes,
bearing
little
resemblance
to
other
extant
sauropsids.
Archaeopteryx
,
with
its
nearly
modern
wings
but
plesiomorphic
skeleton,
demonstrated
more
than
160
years
ago
that
soft
tissue
specializations
preceded
skeletal
modifications
for
flight.
Soft
tissues
thus
great
importance
understanding
early
evolution
avian
physiology.
Most
commonly,
traces
integumentary
system
preserved;
exceptional
discoveries
include
remnants
organs.
Together,
these
have
helped
elucidate
lungs,
ovaries,
plumage
and
beak
in
diverging
birds.
These
fossils
reveal
many
important
adaptations
efficient
digestion,
high
oxygen
intake,
reduced
body
mass
improved
wing
structure,
all
which
serve
improve
aerial
capabilities
and/or
meet
energetic
demands
this
costly
form
locomotion,
evolved
within
first
20–30
Myr
evolution.
preservation
also
provides
clues
ecology
may
even
extinction
certain
groups.
However,
current
fossil
record
Mesozoic
is
almost
entirely
limited
Early
Cretaceous
thus,
from
Late
potential
drastically
transform
our
interpretation
available
data.
This
article
part
theme
issue
‘The
biology
respiratory
system’.
A
combination
of
sectioning
and
microscopy
techniques,
along
with
the
application
finite-difference-time-domain
modeling
on
a
fossil
feather,
novelly
results
in
estimation
range
iridescent
colors
from
fossilized
melanosomes
preserved
elongate
head
crest
feathers
new
Cretaceous
enantiornithine
bird.
The
densely
packed
rod-like
yield
are
estimated
to
have
yielded
red
deep
blue
coloration
feathers.
shape
density
these
melanosome
may
also
further
increased
feather’s
structural
strength.
This
occurrence
likely
male
individual
is
highly
suggestive
both
signaling
function
crest,
potential
behavioral
role
adjusting
angle
light
incidence
control
display
this
coloration.
Geological Society London Special Publications,
Journal Year:
2024,
Volume and Issue:
544(1)
Published: Jan. 18, 2024
Abstract
The
explosive
radiation
of
early
birds
has
been
well
documented
by
the
extraordinary
discoveries
Early
Cretaceous
fossil
in
China
past
three
decades.
They
have
greatly
expanded
diversity,
disparity
and
temporal
distribution
Mesozoic
birds,
refining
our
knowledge
evolutionary
path
leading
to
characteristic
avian
body
plan,
including
feathers
powered
flight,
locomotion
habitat
differentiation,
diet
digestion,
reproduction
development,
feather
colours
display.
In
addition,
studies
on
geological
background
Jehol
Biota
that
produced
majority
Chinese
provided
important
clues
understanding
taphonomy
as
interaction
between
deep
process
biological
evolution
northeastern
East
Asia
during
Cretaceous.
Future
multidisciplinary
are
expected
advance
palaeogeography
what
impacted
changes
diversity
China,
roles
played
terrestrial
ecosystem.
A
combination
of
sectioning
and
microscopy
techniques,
along
with
the
application
finite-difference-time-domain
modeling
on
a
fossil
feather,
novelly
results
in
estimation
range
iridescent
colors
from
fossilized
melanosomes
preserved
elongate
head
crest
feathers
new
Cretaceous
enantiornithine
bird.
The
densely
packed
rod-like
yield
are
estimated
to
have
yielded
red
deep
blue
coloration
feathers.
shape
density
these
melanosome
may
also
further
increased
feather’s
structural
strength.
This
occurrence
likely
male
individual
is
highly
suggestive
both
signaling
function
crest,
potential
behavioral
role
adjusting
angle
light
incidence
control
display
this
coloration.
